static int os2_open ( dvdcss_t dvdcss, const char *psz_device )
{
char psz_dvd[] = "X:";
HFILE hfile;
ULONG ulAction;
ULONG rc;
psz_dvd[0] = psz_device[0];
rc = DosOpenL( ( PSZ )psz_dvd, &hfile, &ulAction, 0, FILE_NORMAL,
OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
OPEN_ACCESS_READONLY | OPEN_SHARE_DENYNONE | OPEN_FLAGS_DASD,
NULL );
if( rc )
{
print_error( dvdcss, "failed to open device %s", psz_device );
return -1;
}
setmode( hfile, O_BINARY );
dvdcss->i_fd = hfile;
dvdcss->i_pos = 0;
return 0;
}
/* --------------------------------------------------------------------------
Open a file according to the required opening mode.
Display an error message in case of error.
- Parameters -------------------------------------------------------------
PSZ pszFile : file name.
LONGLONG cb : size of the file (used only when creating a new file).
ULONG flag : opening mode flag (see constants defined in fileUtil.h).
- Return value -----------------------------------------------------------
HFILE : handle of the opened file or FMO_ERROR in case of error.
-------------------------------------------------------------------------- */
HFILE fmOpen(PSZ pszFile, LONGLONG cb, ULONG flag) {
HFILE hf;
ULONG ul;
g.rc = DosOpenL(pszFile, &hf, &ul, cb, 0,
MKOPENFLAG(flag), MKOPENMODE(flag), NULL);
if (g.mode & FSJVERBOSE)
printMsg(IROW_DEBUG, SZ_FOPEN, pszFile, hf, g.rc);
if (g.rc == 110) g.rc = ERROR_FILE_NOT_FOUND;
if (g.rc)
return (HFILE)handleFileIOError(FMO_ERROR, SZERR_OPENFILE, pszFile, g.rc);
return hf;
}
APIRET APIENTRY DosOpen(PCSZ pszFileName,
PHFILE pHf,
PULONG pulAction,
ULONG cbFile,
ULONG ulAttribute,
ULONG fsOpenFlags,
ULONG fsOpenMode,
PEAOP2 peaop2)
{
LONGLONG cbFileL;
cbFileL.ulLo=cbFile;
cbFileL.ulHi=0;
return DosOpenL(pszFileName, pHf, pulAction, cbFileL, ulAttribute, fsOpenFlags, fsOpenMode, peaop2);
}
APIRET APIENTRY PvtLoadMsgFile(PSZ pszFile, PVOID *buf, PULONG pcbFile)
{
FILESTATUS3 fileinfo;
HFILE hf;
ULONG ulAction;
LONGLONG ll;
char fn[CCHMAXPATH];
ULONG fisize;
ULONG ulActual;
APIRET rc;
ll.ulLo = 0;
ll.ulHi = 0;
if (!pszFile || !*pszFile)
return ERROR_INVALID_PARAMETER;
if (strnlen(pszFile, CCHMAXPATH) == CCHMAXPATH)
return ERROR_FILENAME_EXCED_RANGE;
// try opening the file from the root dir/as is
rc = DosOpenL(pszFile, // File name
&hf, // File handle
&ulAction, // Action
ll, // Initial file size
0, // Attributes
OPEN_ACTION_FAIL_IF_NEW | // Open type
OPEN_ACTION_OPEN_IF_EXISTS,
OPEN_SHARE_DENYNONE | // Open mode
OPEN_ACCESS_READONLY,
NULL); // EA
if (rc && rc != ERROR_FILE_NOT_FOUND &&
rc != ERROR_OPEN_FAILED &&
rc != ERROR_PATH_NOT_FOUND)
return rc;
if (rc) // file not found
{
// if filename is fully qualified, return an error
if (pszFile[1] ==':' && pszFile[2] == '\\')
return rc;
// otherwise, try searching in the currentdir and on path
rc = DosSearchPath(SEARCH_IGNORENETERRS |
SEARCH_ENVIRONMENT |
SEARCH_CUR_DIRECTORY,
"DPATH",
pszFile,
fn,
CCHMAXPATH);
if (rc)
return rc;
// open it
rc = DosOpenL(fn,
&hf,
&ulAction,
ll,
0,
OPEN_ACTION_FAIL_IF_NEW |
OPEN_ACTION_OPEN_IF_EXISTS,
OPEN_SHARE_DENYNONE |
OPEN_ACCESS_READONLY,
NULL);
}
if (rc)
return rc;
// file is found, so get file size
rc = DosQueryPathInfo(fn,
FIL_STANDARD,
&fileinfo,
sizeof(FILESTATUS3));
if (rc)
return rc;
if (!fileinfo.cbFile)
{
log("DosQueryPathInfo returned zero .msg file size!\n");
return ERROR_INVALID_PARAMETER;
}
// allocate a buffer for the file
rc = DosAllocMem(buf, fileinfo.cbFile,
PAG_READ | PAG_WRITE | PAG_COMMIT);
if (rc)
return rc;
// read the file into memory
rc = DosRead(hf,
*buf,
fileinfo.cbFile,
&ulActual);
if (rc)
return rc;
// close file
DosClose(hf);
*pcbFile = fileinfo.cbFile;
return rc;
}
